CN214893908U - Experimental isolated plant of quick isolating device under water - Google Patents
Experimental isolated plant of quick isolating device under water Download PDFInfo
- Publication number
- CN214893908U CN214893908U CN202120884518.1U CN202120884518U CN214893908U CN 214893908 U CN214893908 U CN 214893908U CN 202120884518 U CN202120884518 U CN 202120884518U CN 214893908 U CN214893908 U CN 214893908U
- Authority
- CN
- China
- Prior art keywords
- isolating device
- isolation device
- air supply
- isolating
- pneumatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a special device for testing an underwater rapid isolation device, which comprises an isolation device control unit, an emergency air supply electric control valve set, an isolation device testing barrel, an isolation device body and an emergency air source; compared with the prior art, pressurize the device inside through the experimental interface of the underwater immersion pressure of isolating device body, through the reverse sealed experimental check valve of pneumatic isolating device, pneumatic isolating device positive leakproofness is experimental check valve and the automatically controlled valves of emergent air feed etc. disposable can judge pneumatic isolating device body, whether there is the leakage in executor etc., a plurality of test function integration, realize that a device is multi-purpose, reduce equipment development cost, improve experimental execution efficiency simultaneously, and guarantee that all experimental execution operating modes of pneumatic isolating device are the operating mode of engineering actual equivalence under water, it is significant to the performance verification of pneumatic isolating device, realize the utility model aims at the technical field of a communication network equipment.
Description
Technical Field
The utility model relates to an experimental isolated plant of quick isolating device under water, in particular to quick isolating device under water is experimental isolated plant for detecting pneumatic isolating device operational property.
Background
During debugging of a passive core cooling system in a CAP series nuclear power plant, two pneumatic isolation devices are required to be installed underwater in an IRWST water tank during a safety injection pipeline runner test of an internal containment refueling water tank (IRWST for short), the immersion depth of the pneumatic isolation devices is about 15m, the pneumatic isolation devices must be verified to be reliable in underwater operation and control logic feasibility during development, an atmospheric pressure water tank with the same depth is difficult to establish during factory production and is used for underwater action performance test of the pneumatic isolation devices, the underwater operation of the pneumatic isolation devices relates to performance test tests in multiple aspects, and therefore, a special device for the underwater test of the pneumatic isolation devices is very necessary to design.
Based on the execution requirements of the safety injection pipeline runner test of the built-in refueling water tank of the passive reactor core cooling system containment of the CAP series nuclear power plant, the operation performance of the pneumatic isolation device water tank used in the test period is very necessary to be tested in advance in order to ensure the smooth and reliable implementation of the safety injection pipeline runner test at the outlet of the IRWST water tank.
Therefore, a special device for testing an underwater rapid isolation device is particularly needed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an experimental isolated plant of quick isolating device under water, to prior art's not enough, carry out effectual detection and verification to pneumatic isolating device control logic, equipment action performance etc. satisfy CAP series nuclear power plant passive reactor core cooling system IRWST water tank export ann annotates the used pneumatic isolating device under water running performance test of pipeline runner test.
The utility model provides a technical problem can adopt following technical scheme to realize:
a special device for testing an underwater rapid isolation device is characterized by comprising an isolation device control unit, an emergency air supply electric control valve set, an isolation device testing barrel, an isolation device body and an emergency air source, wherein the isolation device body is fixed at the inner bottom of the isolation device testing barrel, the isolation device control unit and the emergency air source are respectively connected with the emergency air supply electric control valve set, the emergency air supply electric control valve set is respectively connected with an upper chamber air inlet of an isolation device pneumatic actuator of the isolation device body and a lower chamber air inlet of the isolation device pneumatic actuator of the isolation device body through a pneumatic isolation device positive tightness testing check valve, the isolation device control unit is respectively connected with an isolation device lower limiting switch and an isolation device upper limiting switch of the isolation device body through a pneumatic isolation device position feedback cable, an upper cover plate is arranged at the upper end of the isolation device testing barrel, the upper cover plate is fixedly connected with the test barrel of the isolating device through an upper cover plate fastening bolt.
The utility model discloses an embodiment, emergent air supply is connected with emergent air feed automatically controlled valves through emergent air feed check valve, emergent air feed relief pressure valve and emergent air feed manometer.
In an embodiment of the present invention, the pneumatic isolation device positive sealing test check valve is connected to the isolation device pneumatic actuator upper chamber air inlet through the isolation device pneumatic actuator upper chamber air supply pipe interface, and the pneumatic isolation device positive sealing test check valve is connected to the isolation device pneumatic actuator lower chamber air inlet through the isolation device pneumatic actuator lower chamber air supply pipe interface.
The utility model discloses an embodiment, pneumatic isolating device position feedback cable is connected with isolating device lower part limit switch through isolating device lower part switch limit feedback pipe interface, pneumatic isolating device position feedback cable is opened limit feedback pipe interface through isolating device upper portion and is connected with isolating device upper portion limit switch, it opens limit feedback sleeve pipe to be provided with isolating device upper portion between isolating device upper portion open limit feedback pipe interface and the isolating device upper portion limit switch, it opens limit feedback sleeve pipe to be provided with isolating device lower part between isolating device lower part switch limit feedback pipe interface and the isolating device lower part limit switch.
The utility model discloses an in the embodiment, be provided with the isolating device body on the upper cover plate and soak pressure monitoring instrument under water, the isolating device body is soaked pressure monitoring instrument bottom under water and is connected with the isolating device body and soaks the pressure test interface under water.
The utility model discloses an embodiment, the both sides of isolating device body are provided with the experimental blind plate of the reverse sealed test of isolating device and the experimental blind plate of the forward sealed test of isolating device respectively, be provided with the experimental blind plate air feed interface of the reverse sealed test of isolating device on the experimental blind plate of the reverse sealed test of isolating device, be provided with the experimental blind plate air feed interface of the forward sealed test of isolating device on the experimental blind plate of the forward sealed test of isolating device, the experimental blind plate air feed interface of the reverse sealed test of isolating device is connected with emergent air feed automatically controlled valves through the experimental air supply line of the reverse sealed test of isolating device, and the experimental air feed interface of the forward sealed test of isolating device is connected with emergent air feed automatically controlled valves through the experimental air supply line of the forward sealed test of isolating device, still is provided with the experimental check valve of the reverse sealed test of isolating device on the experimental air supply line of the forward sealed test of isolating device.
In an embodiment of the present invention, the lower portion of the upper cover plate is further provided with an underwater immersion pressure test interface of the isolation device body.
The utility model discloses an in the embodiment, the bottom of isolating device body is provided with the experimental cask L type location base of isolating device, and the experimental cask L type location base of isolating device passes through the experimental cask of isolating device and fixes a position bolt and the experimental cask of isolating device fixed connection of each other.
The utility model discloses an experimental isolated plant of quick isolating device under water, compared with the prior art, soak the pressure test interface under water through the isolating device body and pressurize the device inside, through the reverse sealed experimental check valve of pneumatic isolating device, pneumatic isolating device forward leakproofness is experimental check valve and emergent air feed automatically controlled valves etc. once only can judge pneumatic isolating device body, whether there is the leakage in executor etc., a plurality of test function integration, realize that a device is multi-purpose, reduce equipment development cost, improve experimental efficiency of execution simultaneously, and guarantee that all experimental execution operating modes under water of pneumatic isolating device are the operating mode of engineering actual equivalence, it has important meaning to the performance verification of pneumatic isolating device, realize the utility model aims at.
The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
Fig. 1 is the utility model discloses an experimental isolated plant's of quick isolating device under water schematic structure diagram.
Wherein, 1-an isolation device control unit; 2-emergency air source; 3-emergency air supply check valve; 4-emergency air supply pressure reducing valve; 5-emergency air supply pressure gauge; 6-emergency air supply electric control valve group; 7-upper cover plate; 8-the isolation device reverse seal test check valve; 9-soaking the pressure monitoring instrument in the water in the isolation device body; 10-an underwater immersion pressure test interface of the isolation device body; 11-closing the position feedback conduit interface at the lower part of the isolating device; 12-the upper part of the isolation device is provided with a limit feedback conduit interface; 13-the isolation device reversely seals the test gas supply line; 14-soaking the pressure instrument interface under water in the isolation device body; 15-the isolation device positively seals the test gas supply line; 16-an air supply pipe interface of a lower chamber of the pneumatic actuator of the isolation device; 17-an air supply pipe interface of an upper chamber of the pneumatic actuator of the isolation device; 18-an air inlet of an upper chamber of a pneumatic actuator of the isolating device; 19-an air inlet of a lower chamber of a pneumatic actuator of the isolating device; 20-isolation device lower limit switch; 21-an upper limit switch of the isolation device; 22-the isolation device body; 23-isolating device reverse sealing test blind plate; 24-the isolating device reversely seals the air supply interface of the test blind plate; 25-an isolating device positive sealing test blind plate air supply interface; 26-isolating device forward seal test blind plate; 27-an isolation device test drum L-shaped positioning base; 28-positioning bolts in the test barrel of the isolation device; 29-isolator test drum; 30-fastening bolts of the upper cover plate; 31-the upper part of the isolation device is provided with a limit feedback sleeve; 32-pneumatic isolator position feedback cable; 33-pneumatic isolator positive seal test check valve.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Examples
As shown in figure 1, the special device for testing the underwater rapid isolating device comprises an isolating device control unit 1, an emergency air supply electric control valve group 6, an isolating device testing barrel 29, an isolating device body 22 and an emergency air source 2, wherein the isolating device body 22 is fixed at the bottom inside the isolating device testing barrel 29, the isolating device control unit 1 and the emergency air source 2 are respectively connected with the emergency air supply electric control valve group 6, the emergency air supply electric control valve group 6 is respectively connected with an isolating device pneumatic actuator upper cavity air inlet 18 and an isolating device pneumatic actuator lower cavity air inlet 19 of the isolating device body 22 through a pneumatic isolating device forward tightness testing check valve 33, the isolating device control unit 1 is respectively connected with an isolating device lower limiting switch 20 and an isolating device upper limiting switch 21 of the isolating device body 22 through a pneumatic isolating device position feedback cable 32, an upper cover plate 7 is arranged at the upper end of the test barrel 29 of the isolating device, and the upper cover plate 7 is fixedly connected with the test barrel 29 of the isolating device through an upper cover plate fastening bolt 30.
The emergency air source 2 is connected with an emergency air supply electric control valve group 6 through an emergency air supply check valve 3, an emergency air supply pressure reducing valve 4 and an emergency air supply pressure gauge 5.
The pneumatic isolation device positive sealing test check valve 33 is connected with the isolation device pneumatic actuator upper chamber air inlet 18 through the isolation device pneumatic actuator upper chamber air supply pipe interface 17, and the pneumatic isolation device positive sealing test check valve 33 is connected with the isolation device pneumatic actuator lower chamber air inlet 19 through the isolation device pneumatic actuator lower chamber air supply pipe interface 16.
The pneumatic isolation device position feedback cable 32 is connected with the isolation device lower limit switch 20 through the isolation device lower switch limit feedback conduit interface 11, the pneumatic isolation device position feedback cable 32 is connected with the isolation device upper limit switch 21 through the isolation device upper switch limit feedback conduit interface 12, an isolation device upper switch limit feedback sleeve 31 is arranged between the isolation device upper switch limit feedback conduit interface 12 and the isolation device upper limit switch 21, and an isolation device lower switch limit feedback sleeve is arranged between the isolation device lower switch limit feedback conduit interface 11 and the isolation device lower limit switch 20.
An underwater soaking pressure monitoring instrument 9 of the isolating device body is arranged on the upper cover plate 7, and the bottom of the underwater soaking pressure monitoring instrument 9 of the isolating device body is connected with an underwater soaking pressure test interface 14 of the isolating device body.
The two sides of the isolation device body 22 are respectively provided with an isolation device reverse sealing test blind plate 23 and an isolation device forward sealing test blind plate 26, the isolation device reverse sealing test blind plate 23 is provided with an isolation device reverse sealing test blind plate air supply interface 24, the isolation device forward sealing test blind plate 26 is provided with an isolation device forward sealing test blind plate air supply interface 25, the isolation device reverse sealing test blind plate air supply interface 24 is connected with the emergency air supply electric control valve group 6 through an isolation device reverse sealing test air supply line 13, the isolation device forward sealing test blind plate air supply interface 25 is connected with the emergency air supply electric control valve group 6 through an isolation device forward sealing test air supply line 15, and the isolation device forward sealing test air supply line 15 is further provided with an isolation device reverse sealing test check valve 8.
The lower part of the upper cover plate 7 is also provided with an underwater soaking pressure test interface 10 of the isolation device body.
The bottom of isolator body 22 is provided with isolator test cask L type location base 27, and isolator test cask L type location base 27 passes through isolator test cask positioning bolt 28 and isolator test cask 29 fixed connection each other.
The isolation device body 22 underwater test simulates the static water pressure borne by the isolation device body 22 under the condition of the depth of 15 meters under water during the field engineering application period, and the test pressure is monitored by the isolation device body underwater immersion pressure monitoring instrument 9.
The isolation device body 22 will be described by taking a forward sealing test under water of 15m as an example. Before the sealing performance test of the isolation device body 22, the chambers of the isolation device reverse sealing test blind plate 23 and the isolation device forward sealing test blind plate 26 are confirmed to be filled with water, the state of the emergency air source 2 is confirmed to meet the test requirements, the isolating device control unit 1 switches a pressurized air source, the isolating device positive sealing test air supply line 15 supplies air to the isolating device positive sealing test blind plate air supply interface 25, the emergency air supply pressure reducing valve 4 regulates the air supply pressure, the air supply pressure is monitored by an emergency air supply pressure gauge 5, the isolation device reverse seal test check valve 8 is in a closed state, and when the pressure of the pressurization test is 1.25 times of the design pressure, stopping pressurizing, maintaining the pressure for 10 minutes, and during the pressure maintaining period, starting the positive sealing test check valve 33 of the pneumatic isolating device and monitoring the underwater immersion pressure monitoring instrument 9 of the body of the isolating device so as to judge the leakage condition of the positive sealing test of the pneumatic isolating device. And determining that no water overflows from the outlet of the check valve 33 in the pneumatic isolating device forward sealing test and determining that no pressure change exists in the underwater soaking pressure monitoring instrument 9 of the isolating device body, so that the good forward sealing state of the pneumatic isolating device and the good sealing state of the forward body can be judged. In order to ensure that the pneumatic isolation device is stable and does not shake in the device during the test, before the pneumatic isolation device is dropped into the isolation device test barrel 29, the pneumatic isolation device and the base are connected into a whole through the L-shaped positioning base 27 of the isolation device test barrel, the base has good supporting and balancing functions, the overall stability of the device during various pressure tests and on-load operation of the pneumatic isolation device can be ensured, and the safety and reliability of the test execution process are ensured.
The utility model discloses a multi-functional integrated design that experimental isolated plant of quick isolating device adopted under water, the main part is cylindrical barrel structure, the bottom is the welding terminal surface, upper portion increases removable cover, the upper cover plate passes through bolt and major structure and is connected, for pneumatic isolating device all test provide the simulation under water 15 meters deep operating mode under water, ensure all test's under water condition of pneumatic isolating device, the environment is unanimous with the engineering reality, real simulation project engineering is live, application status and the application property to equipment in engineering reality provide the reference, and discern the problem that probably takes place in the engineering application in advance. The underwater operation test of the pneumatic isolation device mainly comprises the steps of testing the sealing performance of an underwater body of the pneumatic isolation device, testing the pressure bearing capacity, running with load, testing the state display, testing the control logic switching, testing the sealing performance in the positive direction and the like. The underwater sealing performance of each structural part of the pneumatic isolation device is tested, the inside of the device is pressurized through an underwater soaking pressure test interface of the isolation device body, and whether the pneumatic isolation device body, an actuator and the like leak or not can be judged in one step through a reverse sealing test check valve of the pneumatic isolation device, a forward sealing test check valve of the pneumatic isolation device, an emergency air supply electric control valve set and the like.
Similarly, during the verification of other performances of the pneumatic isolation device, the state judgment of the test performance can be completed through the corresponding interface without opening the cover of the test tool of the pneumatic isolation device. Due to the particularity of the use condition and the application environment of the pneumatic isolation device, the performance of the pneumatic isolation device must be specifically verified at the equipment color value stage so as to ensure the reliability and stability of the equipment under the engineering practical application condition. The special testing device for the underwater pneumatic isolation device is designed, processed and manufactured in a targeted mode according to the characteristics of the pneumatic isolation device, a plurality of testing and testing functions are integrated, the device is multipurpose, the equipment development cost is reduced, the testing execution efficiency is improved, all underwater testing execution working conditions of the pneumatic isolation device are guaranteed to be working conditions of engineering practical equivalence, and the testing device has important significance in performance verification of the pneumatic isolation device.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (8)
1. A special device for testing an underwater rapid isolation device is characterized by comprising an isolation device control unit, an emergency air supply electric control valve set, an isolation device testing barrel, an isolation device body and an emergency air source, wherein the isolation device body is fixed at the inner bottom of the isolation device testing barrel, the isolation device control unit and the emergency air source are respectively connected with the emergency air supply electric control valve set, the emergency air supply electric control valve set is respectively connected with an upper chamber air inlet of an isolation device pneumatic actuator of the isolation device body and a lower chamber air inlet of the isolation device pneumatic actuator of the isolation device body through a pneumatic isolation device positive tightness testing check valve, the isolation device control unit is respectively connected with an isolation device lower limiting switch and an isolation device upper limiting switch of the isolation device body through a pneumatic isolation device position feedback cable, an upper cover plate is arranged at the upper end of the isolation device testing barrel, the upper cover plate is fixedly connected with the test barrel of the isolating device through an upper cover plate fastening bolt.
2. The special device for testing the underwater rapid isolation device as claimed in claim 1, wherein the emergency air source is connected with the emergency air supply electric control valve bank through an emergency air supply check valve, an emergency air supply pressure reducing valve and an emergency air supply pressure gauge.
3. The special device for testing the underwater rapid isolating device as claimed in claim 1, wherein the pneumatic isolating device forward sealing test check valve is connected with the air inlet of the upper chamber of the pneumatic isolating device actuator through an air supply pipe interface of the upper chamber of the pneumatic isolating device actuator, and the pneumatic isolating device forward sealing test check valve is connected with the air inlet of the lower chamber of the pneumatic isolating device actuator through an air supply pipe interface of the lower chamber of the pneumatic isolating device actuator.
4. The special device for testing the underwater rapid isolating device as claimed in claim 1, wherein the pneumatic isolating device position feedback cable is connected with the isolating device lower limit switch through an isolating device lower switch limit feedback conduit interface, the pneumatic isolating device position feedback cable is connected with the isolating device upper limit switch through an isolating device upper switch limit feedback conduit interface, an isolating device upper switch limit feedback sleeve is arranged between the isolating device upper switch limit feedback conduit interface and the isolating device upper limit switch, and an isolating device lower switch limit feedback sleeve is arranged between the isolating device lower switch limit feedback conduit interface and the isolating device lower limit switch.
5. The special device for testing the underwater rapid isolating device as claimed in claim 1, wherein the upper cover plate is provided with an isolating device body underwater soaking pressure monitoring instrument, and the bottom of the isolating device body underwater soaking pressure monitoring instrument is connected with an isolating device body underwater soaking pressure test interface.
6. The special test device for the underwater rapid isolation device according to claim 1, the two sides of the isolation device body are respectively provided with an isolation device reverse sealing test blind plate and an isolation device forward sealing test blind plate, the isolating device reverse sealing test blind plate is provided with an isolating device reverse sealing test blind plate air supply interface, the isolating device is characterized in that an isolating device forward sealing test blind plate air supply interface is arranged on the isolating device forward sealing test blind plate, the isolating device reverse sealing test blind plate air supply interface is connected with the emergency air supply electric control valve group through an isolating device reverse sealing test air supply line, the isolating device forward sealing test blind plate air supply interface is connected with the emergency air supply electric control valve group through an isolating device forward sealing test air supply line, and an isolating device reverse sealing test check valve is further arranged on the isolating device forward sealing test air supply line.
7. The special device for testing the underwater rapid isolation device as claimed in claim 1, wherein the lower part of the upper cover plate is further provided with an underwater immersion pressure test interface of the isolation device body.
8. The special device for testing the underwater rapid isolation device as claimed in claim 1, wherein the bottom of the isolation device body is provided with an L-shaped positioning base of the isolation device testing barrel, and the L-shaped positioning base of the isolation device testing barrel is fixedly connected with the isolation device testing barrel through an inner positioning bolt of the isolation device testing barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120884518.1U CN214893908U (en) | 2021-04-27 | 2021-04-27 | Experimental isolated plant of quick isolating device under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120884518.1U CN214893908U (en) | 2021-04-27 | 2021-04-27 | Experimental isolated plant of quick isolating device under water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214893908U true CN214893908U (en) | 2021-11-26 |
Family
ID=78888982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120884518.1U Active CN214893908U (en) | 2021-04-27 | 2021-04-27 | Experimental isolated plant of quick isolating device under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214893908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237611A (en) * | 2021-04-27 | 2021-08-10 | 国核工程有限公司 | Experimental isolated plant of quick isolating device under water |
-
2021
- 2021-04-27 CN CN202120884518.1U patent/CN214893908U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237611A (en) * | 2021-04-27 | 2021-08-10 | 国核工程有限公司 | Experimental isolated plant of quick isolating device under water |
| CN113237611B (en) * | 2021-04-27 | 2024-05-10 | 上海核工程研究设计院股份有限公司 | Experimental isolated plant of quick isolating device under water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109855814B (en) | Method and system for detecting tightness of RCPB isolation valve of nuclear power plant | |
| CN214893908U (en) | Experimental isolated plant of quick isolating device under water | |
| CN110220653B (en) | Double-wall pipe air tightness detection tool and detection method | |
| CN110112443B (en) | Hydrogenation fault diagnosis method for fuel cell hydrogen system | |
| CN104122049B (en) | A kind of high pressure airtightness testing method | |
| CN111257121B (en) | Automatic testing system for hydrostatic test | |
| CN111272414A (en) | High-pressure valve life test device | |
| CN102243898B (en) | High-temperature gas-cooled reactor pressure-maintaining overhauling and sealing control system | |
| CN109443663A (en) | A kind of gate valve suppresses system online | |
| CN110487484A (en) | A kind of device and method detecting watertight compartment system watertight state | |
| CN113237611A (en) | Experimental isolated plant of quick isolating device under water | |
| CN104165739A (en) | Method for testing pressure by adoption of vertical and automatic heat collector flow channel pressure test machine | |
| CN103615430A (en) | ROV hydraulic isolation pump station used for deep sea sampler | |
| CN214667637U (en) | Performance test device and system of low-temperature sealing ring | |
| CN113310681A (en) | Testing device and testing method for hydraulic self-driven quick-closing isolating valve | |
| CN209894426U (en) | Automatic airtight test system | |
| CN204064591U (en) | The vertical automatic pressure test device of heat collector runner | |
| CN210108623U (en) | Double-wall pipe air tightness detection tool | |
| CN108254174B (en) | Sealing element aging test system and method | |
| CN220893942U (en) | Pressure testing water recycling system | |
| CN217481419U (en) | Gas valve group unit for gas fuel engine | |
| CN111462930A (en) | Device for underwater rapid isolation | |
| CN110610770A (en) | Automatic isolation system and method for safety injection tank of pressurized water reactor nuclear power plant | |
| CN216309366U (en) | Exhaust device for container hydrostatic test | |
| CN217688191U (en) | Pressure control device for hydrostatic test of nuclear power station container/heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220622 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: 29 Hongcao Road, Xuhui District, Shanghai, 201100 Patentee before: STATE NUCLEAR POWER ENGINEERING Co. Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |